<template>
  <div class="backTop" @click="backTop">

  </div>
</template>

<script>
export default {
  name: 'BackTop',
  setup (props, {emit}) {
    
    return {
      backTop:()=>{
        emit('bTop')
      }
    };
  },

  components: {}
}

</script>
<style lang='scss' scoped>
.backTop {
  width: 40px;
  height: 40px;
  position: fixed;
  bottom: 80px;
  right: 30px;
  z-index: 20;
  box-shadow: 5px 5px 5px #888888;
  border-radius: 50%;
  background: #fcfcfc url('~assets/images/up.png') no-repeat center center;
}
</style>